Oppo A31 vs Sharp Aquos S2

Compare recorded specifications, size and practical differences.

Oppo A31

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Sharp Aquos S2

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

WeightAquos S2: 40 g lighterAquos S2: 140 g · A31: 180 g
WidthAquos S2: 3.5 mm narrowerAquos S2: 72 mm · A31: 75.5 mm
Screen diagonalAquos S2: 1 in smaller diagonalAquos S2: 5.5 in · A31: 6.5 in
Rear camera layoutTriple / DualA31: Triple · Aquos S2: Dual
HeightAquos S2: 22.1 mm shorterAquos S2: 141.8 mm · A31: 163.9 mm
Release year2020 / 2017A31: 2020 · Aquos S2: 2017

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

Front

Side

1. A31
Height
163.9 mm
Width
75.5 mm
Depth
8.3 mm

Weight
180 g
2. Aquos S2
Height
141.8 mm
Width
72 mm
Depth
7.9 mm

Weight
140 g

Specifications

Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

Everyday essentials

Everyday essentials
Specification	A31	Aquos S2
Dimensions (HxWxD)	163.9 Х 75.5 Х 8.3 mm	141.8 Х 72 Х 7.9 mm
Weight	180 g	140 g
Technology	IPS LCD	IPS LCD
Screen size	6.5" inch	5.5" inch
Screen resolution	720 x 1600 px	1080 x 2040 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	128GB 4GB RAM	128 GB 6 GB RAM 64 GB 512GB 4GB
Memory card support	microSDXC (dedicated slot)	microSD up to 256 GB (uses SIM 2 slot)
BatteryCapacity is not battery life. No endurance test is implied.	4230 mAh Non-removable Li-Po	3020 mAh Non-removable Li-Po
Operating system OS	Android 9.0 (Pie); ColorOS 6.1	Android 7.1.1 (Nougat)
Chipset	Mediatek MT6765V/CB Helio P35 (12nm)	Qualcomm SDM630 Snapdragon 630 (14 nm) 64/4GB -Qualcomm SDM660 Snapdragon 660 (14 nm) 128/6GB
NFC	Unknown	Yes
Headphone jack	Yes	No

Display

Display
Specification	A31	Aquos S2
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	102.0 cm2	80.7 cm2
Screen format	20:9 (height:width)	17:9 (height:width)
Screen to body ratio	82.4%	79.0%
PPI /points per inch/	270 PPI	420 PPI
Screen protection	Unknown	Corning Gorilla Glass (unspecified version)

Camera and Video

Camera and Video
Specification	A31	Aquos S2
Rear camera, main	12 MP Triple	12 MP Dual
Camera specs	12 MP f/1.8 (wide) PDAF -2 MP f/2.4 27mm (macro) 1/5.0'' 1.75µm -2 MP (depth)	12 MP f/1.8 1/2.55'' 1/3.2'' 1.4µm dual pixel PDAF -8 MP
Functions	HDR	Dual-LED dual-tone flash panorama HDR
Video	1080p@30fps	1080p@30fps
Front camera, selfie	8 MP Single	8 MP Single
Specifications	8 MP f/2.0	8 MP f/2.0 1/3.2'' 1.4µm

Performance

Performance
Specification	A31	Aquos S2
Processor CPU	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)	Octa-core (4x2.2 GHz Cortex-A53 & 4x1.8 GHz Cortex A53) 64/4GB -Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) 128/6GB
Graphics processor GPU	PowerVR GE8320	Adreno 508 64/4GB -Adreno 512 128/6GB
Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	88256
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	859
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	4079
GeekBench 4 RenderScriptLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	3688
Antutu 8 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	105221	Unknown
GeekBench 5 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	173
GeekBench 5 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.	Unknown	994

General specs

General specs
Specification	A31	Aquos S2
Release date	2020 February 13	2017 August
Colors	Fantasy White Mystery Black	White Black Blue Green
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.	180 EUR	450 EUR
Body build	Glass front plastic back plastic frame	Front/back glass aluminum frame

Communication and Connectivity

Communication and Connectivity
Specification	A31	Aquos S2
SIM card	Dual SIM (Nano-SIM dual stand-by)	Hybrid Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 12(700) 28(700) 39(1900) 40(2300) 41(2500)
Speed	HSPA 42.2/5.76 Mbps LTE-A	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/50 Mbps
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct hotspot	Wi-Fi 802.11 a/b/g/n/ac dual-band WiFi Direct hotspot
GPS	Yes with A-GPS BDS	Yes with A-GPS GLONASS BDS
USB	microUSB 2.0 USB On-The-Go	Type-C 1.0 reversible connector USB On-The-Go
Bluetooth	5.0 A2DP LE	4.2 A2DP LE

Music and Audio

Music and Audio
Specification	A31	Aquos S2
Radio	FM radio	No
Others	480 nits typ. brightness	Active noise cancellation with dedicated mic

Other features

Other features
Specification	A31	Aquos S2
Dop	Sensors Fingerprint (rear-mounted) accelerometer proximity compass	Sensors Fingerprint (front-mounted) accelerometer gyro proximity compass - Charging 5V/2A 10W